Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 460K FIRST COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
224-528 A Roselle IL CHCGILWUX6X  358      
224-528 0 Roselle IL CHCGILWUX6X  358   2023-12-02   
234-376 A Akron OH AKRNOH25XJZ  325      
234-376 6 Akron OH AKRNOH25XJZ  325   2023-12-24   
947-269 A Rochester MI SFLDMIMKNMD  340      
947-269 0 Rochester MI SFLDMIMKNMD  340   2023-12-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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